57. D 细节理解题。根据第二段最后一句可知,John McLean教授开设这门课程的目的就是让学生有足够的准备去尝试自己发明东西。
58. B 细节理解题。根据第三段内容可知,Tommy Lee发明的不会折断的雨伞就是受到了雨刮器背后的故事的激励。
59. C 主旨大意题。通读全文可知,文章的第一段就是主题段,特别是第一段最后一句充分体现了作者想要表达的心声,接下来的内容都是围绕第一段展开并为第一段服务的。
(2011江苏卷)C
According to the US government, wind farms off the Pacific coast could produce 900 gig watts of electricity every year.Unfortunately,the water there is far too deep for even the tallest windmills(see picture)to touch bottom. An experiment under way off the coast of Norway,however,could help put them anywhere.
The project, called Hywind,is the worlds first large-scale deepwater wind turbine(涡轮发电机).Although it uses a fairly standard 152-ton,2.3-megawatt turbine,Hywind represents totally new technology. The turbine will be fixed 213 feet above the water on a floating spar(see picture),a technology Hywinds creator,the Norwegian company StatoilHydro,has developed recently. The steel spar, which is filled with stones and goes 328 feet below the sea surface, will be tied to the ocean floor by three cable(缆索);these will keep the spar stable and prevent the turbine from moving up and down in the waves.Hywinds stability(稳定性)in the cold and rough sea would prove that even the deepest corners of the ocean are suitable for wind power. If all goes according to plan, the turbine will start producing electricity six miles off the coast of southwestern Norway as early as September.
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